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From: David Edelsohn <dje.gcc@gmail.com>
Date: Wed, 10 Mar 2021 11:25:59 -0500
Message-ID: <CAGWvnykE3ze8orVcgyqarK2hZFcXrhUX3eWiC3XsF4uOA8u8fA@mail.gmail.com>
Subject: Re: [PATCH] phiopt: Fix up conditional_replacement [PR99305]
To: Jakub Jelinek <jakub@redhat.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
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The new pr99305.C testcase is failing on Power.

FAIL: g++.dg/opt/pr99305.C  -std=gnu++14  scan-tree-dump-times
optimized " = \\\\(unsigned char\\\\) c_[0-9]*\\\\(D\\\\);" 3
FAIL: g++.dg/opt/pr99305.C  -std=gnu++17  scan-tree-dump-times
optimized " = \\\\(unsigned char\\\\) c_[0-9]*\\\\(D\\\\);" 3
FAIL: g++.dg/opt/pr99305.C  -std=gnu++2a  scan-tree-dump-times
optimized " = \\\\(unsigned char\\\\) c_[0-9]*\\\\(D\\\\);" 3
FAIL: g++.dg/opt/pr99305.C  -std=gnu++98  scan-tree-dump-times
optimized " = \\\\(unsigned char\\\\) c_[0-9]*\\\\(D\\\\);" 3

Signed char versus unsigned char defaults?

Thanks, David